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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 33013 · alive · Condition: poor · LC · Least Concern · Elevation: 48.4 m

Photos

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trunk branches leaf

Dimensions

6.8 mHeight
3.7 mTrunk height
13 cmTrunk diameter (DBH)
2.16 mCanopy height
2.49 mCanopy width
7.94 mCanopy circumference
3.97 m²Crown projection area
4.59 m³Crown volume
1Stems

Structure & risk

55.12Slenderness (H/D)
0.85Safety factor (default wind)
15.16 °Leaning angle
3.68 °Trunk lean angle
43.38Competition index
1.49 mTree protection zone
2.23 mRoot protection zone
l0TMS category

Health & vitality

poorCondition
deadVitality
youngAge class
slightly defoliatedCrown transparency
26.83 %Foliage transparency
81.71 %Dieback
85.47 %Crown density
56.63 %Crown light exposure ratio
31.76 %Live crown ratio
14.75 m²Leaf area
3.73Leaf area index (LAI)
3.22Leaf area / crown vol.

Ecosystem services

28.1 kgCarbon storage
5.24 kgCarbon sequestration / yr
13.83 kgOxygen production / yr
0.01 m³Avoided runoff
0.18 m³Water intercepted
0.21 m³Transpiration
0.18 m³Evaporation
1.09 m³Potential evapotranspiration
0.52 gCO removed / yr
2.05 gNO₂ removed / yr
4.42 gSO₂ removed / yr
1.29 gPM2.5 removed / yr
24.65 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

524.41CAVAT value
5640.31Koch value
576.39RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
60G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11dG u fextracted_street
7001G u fextracted_taxon i d
4.64Crown base height
6.8Live height

Clearances

ConflictRoad clearance
4.59 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.1 m³Road clearance — conflict volume
7.75Road clearance — conflict volume ratio

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11d · 2.963638, 101.672647 · Elevation 48.4 m